cnvd - cnvd-2016-07417

CNVD-2016-07417

Vulnerability from cnvd - Published: 2016-09-12

Title

Xen本地权限提升漏洞（CNVD-2016-07417）

Description

Xen是英国剑桥大学开发的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机。 Xen中存在本地提权漏洞。本地攻击者可利用该漏洞获取受影响计算机的权限。

Severity

中

Patch Name

Xen本地权限提升漏洞（CNVD-2016-07417）的补丁

Patch Description

Xen是英国剑桥大学开发的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机。 Xen中存在本地提权漏洞。本地攻击者可利用该漏洞获取受影响计算机的权限。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： http://xenbits.xen.org/xsa/advisory-185.html

Reference

http://www.securityfocus.com/bid/92862

Impacted products

Name
['Xen Xen 4.2.0', 'Xen Xen 4.4', 'Xen Xen 4.3', 'Xen Xen 4.0.4', 'Xen Xen 4.1.6.1', 'Xen Xen 4.2.3', 'Xen Xen 4.0.1', 'Xen Xen 4.2.2', 'Xen Xen 4.2.1', 'Xen Xen 4.1.5', 'Xen Xen 4.1.4', 'Xen Xen 4.1.3', 'Xen Xen 4.1.2', 'Xen Xen 4.1.1', 'Xen Xen 4.1.0', 'Xen Xen 4.0.3', 'Xen Xen 4.0.0', 'Xen Xen 4.0.2', 'Xen Xen 4.2']

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "92862"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-7092"
    }
  },
  "description": "Xen\u662f\u82f1\u56fd\u5251\u6865\u5927\u5b66\u5f00\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u865a\u62df\u673a\u76d1\u89c6\u5668\u4ea7\u54c1\u3002\u8be5\u4ea7\u54c1\u80fd\u591f\u4f7f\u4e0d\u540c\u548c\u4e0d\u517c\u5bb9\u7684\u64cd\u4f5c\u7cfb\u7edf\u8fd0\u884c\u5728\u540c\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0a\uff0c\u5e76\u652f\u6301\u5728\u8fd0\u884c\u65f6\u8fdb\u884c\u8fc1\u79fb\uff0c\u4fdd\u8bc1\u6b63\u5e38\u8fd0\u884c\u5e76\u4e14\u907f\u514d\u5b95\u673a\u3002\r\n\r\nXen\u4e2d\u5b58\u5728\u672c\u5730\u63d0\u6743\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u53d7\u5f71\u54cd\u8ba1\u7b97\u673a\u7684\u6743\u9650\u3002",
  "discovererName": "Unknown",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a \r\nhttp://xenbits.xen.org/xsa/advisory-185.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-07417",
  "openTime": "2016-09-12",
  "patchDescription": "Xen\u662f\u82f1\u56fd\u5251\u6865\u5927\u5b66\u5f00\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u865a\u62df\u673a\u76d1\u89c6\u5668\u4ea7\u54c1\u3002\u8be5\u4ea7\u54c1\u80fd\u591f\u4f7f\u4e0d\u540c\u548c\u4e0d\u517c\u5bb9\u7684\u64cd\u4f5c\u7cfb\u7edf\u8fd0\u884c\u5728\u540c\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0a\uff0c\u5e76\u652f\u6301\u5728\u8fd0\u884c\u65f6\u8fdb\u884c\u8fc1\u79fb\uff0c\u4fdd\u8bc1\u6b63\u5e38\u8fd0\u884c\u5e76\u4e14\u907f\u514d\u5b95\u673a\u3002\r\n\r\nXen\u4e2d\u5b58\u5728\u672c\u5730\u63d0\u6743\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u53d7\u5f71\u54cd\u8ba1\u7b97\u673a\u7684\u6743\u9650\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Xen\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2016-07417\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Xen Xen 4.2.0",
      "Xen Xen 4.4",
      "Xen Xen 4.3",
      "Xen Xen 4.0.4",
      "Xen Xen  4.1.6.1",
      "Xen Xen  4.2.3",
      "Xen Xen 4.0.1",
      "Xen Xen  4.2.2",
      "Xen Xen  4.2.1",
      "Xen Xen  4.1.5",
      "Xen Xen  4.1.4",
      "Xen Xen  4.1.3",
      "Xen Xen  4.1.2",
      "Xen Xen  4.1.1",
      "Xen Xen  4.1.0",
      "Xen Xen  4.0.3",
      "Xen Xen  4.0.0",
      "Xen Xen 4.0.2",
      "Xen Xen  4.2"
    ]
  },
  "referenceLink": "http://www.securityfocus.com/bid/92862",
  "serverity": "\u4e2d",
  "submitTime": "2016-09-09",
  "title": "Xen\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2016-07417\uff09"
}

CVE-2016-7092 (GCVE-0-2016-7092)

Vulnerability from cvelistv5 – Published: 2016-09-21 14:00 – Updated: 2024-08-06 01:50

Summary

The get_page_from_l3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
	http://xenbits.xen.org/xsa/xsa185.patch	x_refsource_CONFIRM
	http://www.debian.org/security/2016/dsa-3663	vendor-advisoryx_refsource_DEBIAN
	http://www.securityfocus.com/bid/92862	vdb-entryx_refsource_BID
	http://support.citrix.com/article/CTX216071	x_refsource_CONFIRM
	http://xenbits.xen.org/xsa/advisory-185.html	x_refsource_CONFIRM
	https://security.gentoo.org/glsa/201611-09	vendor-advisoryx_refsource_GENTOO
	http://www.securitytracker.com/id/1036751	vdb-entryx_refsource_SECTRACK

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2016-07417

CVE-2016-7092 (GCVE-0-2016-7092)

Tags

Sightings

Nomenclature